Is it true that a number of protons is equal ta o number of electrons that represent atomic numbers?

 

Solution:

Concept: Mass number represents the number of protons and neutrons in atoms and is represented by A, the atomic number represents the number of protons in atoms Represented by Z. and X is the 

abbreviation used to represent atom in the chemical formula .

Hence, the number of protons is equal to the number of electrons and represents atomic numbers